28su.comSSL certificate & chain
- Status
- Valid
- Expires in
- 181 days
- Issuer
- Asseco Data Systems S.A.
- Chain
- 3 certificates
Certificate chain
- 1 · Site certificateValid28su.comIssued by Certum DV TLS G2 R39 CAExpires 8 May 2027
- 2 · IntermediateValidCertum DV TLS G2 R39 CAIssued by Certum Trusted Root CAExpires 5 Jun 2039
- 3 · RootValidCertum Trusted Root CASelf-signed rootExpires 16 Mar 2043
1
ValidSite certificate
28su.com
Issued to
- Common name (CN)
- 28su.com
Issued by
- Common name (CN)
- Certum DV TLS G2 R39 CA
- Organisation (O)
- Asseco Data Systems S.A.
- Country (C)
- PL
Validity
- Valid from
- 21 Oct 2026, 14:22 UTC
- Valid until
- 8 May 2027, 14:22 UTC
- Days remaining
- 181
Technical details
- Serial number
- 0C:2B:E6:AC:E2:17:8A:03:E1:D0:3C:EB:5D:61:FB:EE
- Signature algorithm
- sha256RSA
- Matches the domain
- Yes
Names covered Subject Alternative Names · 2
- 28su.com
- www.28su.com
2
ValidIntermediate
Certum DV TLS G2 R39 CA
Issued to
- Common name (CN)
- Certum DV TLS G2 R39 CA
- Organisation (O)
- Asseco Data Systems S.A.
- Country (C)
- PL
Issued by
- Common name (CN)
- Certum Trusted Root CA
- Organisation (O)
- Asseco Data Systems S.A.
- Unit (OU)
- Certum Certification Authority
- Country (C)
- PL
Validity
- Valid from
- 18 Jun 2024, 07:41 UTC
- Valid until
- 5 Jun 2039, 07:41 UTC
- Days remaining
- 4592
Technical details
- Serial number
- 00:A8:2D:D9:E5:DC:AF:DF:13:20:5E:70:04:3E:6B:95:A8
- Signature algorithm
- sha512RSA
3
ValidRoot
Certum Trusted Root CA
Issued to
- Common name (CN)
- Certum Trusted Root CA
- Organisation (O)
- Asseco Data Systems S.A.
- Unit (OU)
- Certum Certification Authority
- Country (C)
- PL
Issued by
- Common name (CN)
- Self-signed
- Organisation (O)
- Asseco Data Systems S.A.
- Unit (OU)
- Certum Certification Authority
- Country (C)
- PL
Validity
- Valid from
- 16 Mar 2018, 12:10 UTC
- Valid until
- 16 Mar 2043, 12:10 UTC
- Days remaining
- 5972
Technical details
- Serial number
- 1E:BF:59:50:B8:C9:80:37:4C:06:F7:EB:55:4F:B5:ED
- Signature algorithm
- sha512RSA